//
// Copyright 2016 Pixar
//
// Licensed under the Apache License, Version 2.0 (the "Apache License")
// with the following modification; you may not use this file except in
// compliance with the Apache License and the following modification to it:
// Section 6. Trademarks. is deleted and replaced with:
//
// 6. Trademarks. This License does not grant permission to use the trade
//    names, trademarks, service marks, or product names of the Licensor
//    and its affiliates, except as required to comply with Section 4(c) of
//    the License and to reproduce the content of the NOTICE file.
//
// You may obtain a copy of the Apache License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the Apache License with the above modification is
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the Apache License for the specific
// language governing permissions and limitations under the Apache License.
//
#include "pxr/pxr.h"

#include <boost/python/class.hpp>
#include <boost/python/def.hpp>
#include <boost/python/scope.hpp>
#include <boost/python/tuple.hpp>

#include "pxr/base/tf/pyResultConversions.h"

#include "pxr/usd/usdShade/shaderDefUtils.h"
#include "pxr/usd/usdShade/shader.h"

using namespace boost::python;

PXR_NAMESPACE_USING_DIRECTIVE

namespace {

static object 
_WrapSplitShaderIdentifier(const TfToken &identifier)
{
    TfToken familyName, shaderName;
    NdrVersion version;
    if (UsdShadeShaderDefUtils::SplitShaderIdentifier(identifier, 
            &familyName, &shaderName, &version)) {
        return boost::python::make_tuple(familyName, shaderName, version);
    } else {
        return object();
    }
}

}

void wrapUsdShadeShaderDefUtils()
{
    scope thisScope = class_<UsdShadeShaderDefUtils>("ShaderDefUtils", no_init)
        .def("SplitShaderIdentifier", _WrapSplitShaderIdentifier,
            arg("identifier"))
        .staticmethod("SplitShaderIdentifier")
        .def("GetNodeDiscoveryResults", 
             &UsdShadeShaderDefUtils::GetNodeDiscoveryResults,
             (arg("shaderDef"), arg("sourceUri")),
             return_value_policy<TfPySequenceToList>())
        .staticmethod("GetNodeDiscoveryResults")
    ;
}
